SQL语句提取出中文的拼音首字母 sql 语句返回中文姓名的首字母缩写

--将中文字符串转化成文字首拼音的组合

create function fun_getPY(@str nvarchar(4000))

returns nvarchar(4000)

as

begin

declare @word nchar(1),@PY nvarchar(4000)

set @PY=''

while len(@str)>0

begin

set @word=left(@str,1)

--如果非汉字字符，返回原字符

set @PY=@PY+(case when unicode(@word) between 19968 and 19968+20901

then (select top 1 PY from (

select 'A' as PY,N'骜' as word

union all select 'B',N'簿'

union all select 'C',N'错'

union all select 'D',N'鵽'

union all select 'E',N'樲'

union all select 'F',N'鳆'

union all select 'G',N'腂'

union all select 'H',N'夻'

union all select 'J',N'攈'

union all select 'K',N'穒'

union all select 'L',N'鱳'

union all select 'M',N'旀'

union all select 'N',N'桛'

union all select 'O',N'沤'

union all select 'P',N'曝'

union all select 'Q',N'囕'

union all select 'R',N'鶸'

union all select 'S',N'蜶'

union all select 'T',N'箨'

union all select 'W',N'鹜'

union all select 'X',N'鑂'

union all select 'Y',N'韵'

union all select 'Z',N'咗'

) T

where word>=@word collate Chinese_PRC_CS_AS_KS_WS

order by PY ASC) else @word end)

set @str=right(@str,len(@str)-1)

end

return @PY

end

--函数调用实例：

select dbo.fun_getPY('中华人民共和国AAA01')

/*

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

ZHRMGHGAAA01

(1 行受影响)

*/